Area Code 309-628 located in ALEDO, MERCER, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 628 City : ALEDO County : MERCER State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 3/15/2006 FIPS (Federal Information Processing Standards) : 17131 LATA (Local Access Transport Area) : 634 Rate Center : ALEDO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61231 Other Information NPANXX : 309628 County Population : 0 Switch CLLI (Common Language Location Identifier) : RCISILFPAMD MSA CBSA (Core Based Statistical Area) : Davenport-Moline-Rock Island, IA-IL MSA CBSA Code (Core Based Statistical Area) : 19340 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - IL OCN (Operating Company Number) : 6115 Coverage Area Name : ALEDO Latitude : 41.2012 Longitude : -90.7481 ‹ previous : 309-627 next › : 309-629 Telephone Number List 309-628-0000 ~ 309-628-9999